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S-8232AWFT-T2-G Datasheet(PDF) 7 Page - Seiko Instruments Inc |
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S-8232AWFT-T2-G Datasheet(HTML) 7 Page - Seiko Instruments Inc |
7 / 27 page BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK Rev.5.4_00 S-8232 Series Seiko Instruments Inc. 7 Electrical Characteristics Table 5 (Ta = 25 °C unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Test Condition Test Circuit [DETECTION VOLTAGE] Overcharge detection voltage 1, 2 VCU1,2 3.85 to 4.60 V, Adjustable VCU1,2 − 0.025 VCU1,2 VCU1,2 + 0.025 V 1, 2 1 VCUaux1,2 VCU1,2 × 1.25 VCU1,2 × 1.21 VCU1,2 × 1.25 VCU1,2 × 1.29 V 1, 2 1 Auxiliary overcharge detection voltage 1, 2 *1 VCUaux1, VCUaux2 = VCU1, VCU2 × 1.25 or VCUaux1, VCUaux2 = VCU1, VCU2 × 1.11 VCUaux1,2 VCU1,2 × 1.11 VCU1,2 × 1.07 VCU1,2 × 1.11 VCU1,2 × 1.15 V 1, 2 1 Overcharge release voltage 1, 2 VCD1,2 3.60 to 4.60 V, Adjustable VCD1,2 − 0.050 VCD1,2 VCD1,2 + 0.050 V 1, 2 1 Overdischarge detection voltage 1, 2 VDD1,2 1.70 to 2.60 V, Adjustable VDD1,2 − 0.080 VDD1,2 VDD1,2 + 0.080 V 1, 2 1 Overdischarge release voltage 1, 2 VDU1,2 1.70 to 3.80 V, Adjustable VDU1,2 − 0.100 VDU1,2 VDU1,2 + 0.100 V 1, 2 1 Overcurrent detection voltage 1 VIOV1 0.07 to 0.30 V, Adjustable VIOV1 − 0.020 VIOV1 VIOV1 + 0.020 V 3 1 Overcurrent detection voltage 2 VIOV2 Load short circuit, VCC reference − 1.57 − 1.20 − 0.83 V 3 1 Temperature coefficient 1 for detection voltage *2 TCOE1 Ta = − 40 to + 85 °C − 0.6 0 0.6 mV/°C Temperature coefficient 2 for detection voltage *3 TCOE2 Ta = − 40 to + 85 °C − 0.24 − 0.05 0 mV/°C [DELAY TIME (C3 = 0.22 µF) ] Overcharge detection delay time 1, 2 tCU1,2 1.0 s 0.73 1.00 1.35 s 8, 9 5 Overdischarge detection delay time 1, 2 tDD1,2 0.1 s 68 100 138 ms 8, 9 5 Overcurrent detection delay time 1 tIOV1 0.01 s 6.7 10 13.9 ms 10 5 [INPUT VOLTAGE] Input voltage between VCC and VSS VDS Absolute maximum rating − 0.3 18 V [OPERATING VOLTAGE] Operating voltage between VCC and VSS *4 VDSOP Output logic fixed 2.0 16 V [CURRENT CONSUMPTION] Current consumption during normal operation IOPE V1 = V2 = 3.6 V 2.1 7.5 12.7 µA 4 2 Current consumption at power down IPDN V1 = V2 = 1.5 V 0 0.0002 0.04 µA 4 2 [OUTPUT VOLTAGE] DO voltage “H” VDO(H) IOUT = 10 µA VCC − 0.05 VCC − 0.003 VCC V 6 3 DO voltage “L” VDO(L) IOUT = 10 µA VSS VSS + 0.003 VSS + 0.05 V 6 3 CO voltage “H” VCO(H) IOUT = 10 µA VCC − 0.15 VCC − 0.019 VCC V 7 4 [CO PIN INTERNAL RESISTANCE] Resistance between VSS and CO RCOL VCO − VSS = 9.4 V 0.29 0.6 1.44 M Ω 7 4 [INTERNAL RESISTANCE] Resistance between VCC and VM RVCM VCC − VVM = 0.5 V 105 240 575 k Ω 5 2 Resistance between VSS and VM RVSM VVM − VSS= 1.1 V 511 597 977 k Ω 5 2 [0 V BATTERY CHARGE FUNCTION] 0 V battery charge starting charger voltage V0CHA 0 V battery charging function “available” 0.38 0.75 1.12 V 11 6 0 V battery charge inhibition battery voltage 1, 2 V0INH1,2 0 V battery charging function “unavailable” 0.32 0.88 1.44 V 12, 13 6 *1. Auxiliary overcharge detection voltage is equal to the overcharge detection voltage times 1.11 for the products without overcharge hysteresis, and times 1.25 for other products. *2. Temperature coefficient 1 for detection voltage should be applied to overcharge detection voltage, overcharge release voltage, overdischarge detection voltage, and overdischarge release voltage. *3. Temperature coefficient 2 for detection voltage should be applied to overcurrent detection voltage. *4. The DO and CO pin logic are established at the operating voltage. |
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